Eigen::SPQR_QProduct< SPQRType, Derived > Struct Template Reference

#include <SuiteSparseQRSupport.h>

Inheritance diagram for Eigen::SPQR_QProduct< SPQRType, Derived >:

Public Types
typedef SPQRType::Scalar	Scalar
typedef SPQRType::StorageIndex	StorageIndex
Public Types inherited from Eigen::ReturnByValue< SPQR_QProduct< SPQRType, Derived > >
typedef internal::traits< SPQR_QProduct< SPQRType, Derived > >::ReturnType	ReturnType
typedef internal::dense_xpr_base< ReturnByValue >::type	Base

Public Member Functions
	SPQR_QProduct (const SPQRType &spqr, const Derived &other, bool transpose)
Index	rows () const
Index	cols () const
template<typename ResType >
void	evalTo (ResType &res) const
Public Member Functions inherited from Eigen::ReturnByValue< SPQR_QProduct< SPQRType, Derived > >
EIGEN_DEVICE_FUNC void	evalTo (Dest &dst) const
EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR Index	rows () const EIGEN_NOEXCEPT
EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR Index	cols () const EIGEN_NOEXCEPT
const Unusable &	coeff (Index) const
const Unusable &	coeff (Index, Index) const
Unusable &	coeffRef (Index)
Unusable &	coeffRef (Index, Index)

Public Attributes
const SPQRType &	m_spqr
const Derived &	m_other
bool	m_transpose

Member Typedef Documentation

Scalar

template<typename SPQRType , typename Derived >

typedef SPQRType::Scalar Eigen::SPQR_QProduct< SPQRType, Derived >::Scalar

StorageIndex

template<typename SPQRType , typename Derived >

typedef SPQRType::StorageIndex Eigen::SPQR_QProduct< SPQRType, Derived >::StorageIndex

Constructor & Destructor Documentation

SPQR_QProduct()

template<typename SPQRType , typename Derived >

Eigen::SPQR_QProduct< SPQRType, Derived >::SPQR_QProduct ( const SPQRType &  spqr, const Derived &  other, bool  transpose  )

inline

      : m_spqr(spqr), m_other(other), m_transpose(transpose) {}

Member Function Documentation

cols()

template<typename SPQRType , typename Derived >

Index Eigen::SPQR_QProduct< SPQRType, Derived >::cols ( ) const

inline

{ return m_other.cols(); }

References Eigen::SPQR_QProduct< SPQRType, Derived >::m_other.

Referenced by gdb.printers._MatrixEntryIterator::__next__(), gdb.printers.EigenMatrixPrinter::children(), gdb.printers.EigenSparseMatrixPrinter::children(), gdb.printers.EigenMatrixPrinter::to_string(), and gdb.printers.EigenSparseMatrixPrinter::to_string().

evalTo()

template<typename SPQRType , typename Derived >

template<typename ResType >

void Eigen::SPQR_QProduct< SPQRType, Derived >::evalTo ( ResType &  res ) const

inline

                                  {
    cholmod_dense y_cd;
    cholmod_dense* x_cd;
    int method = m_transpose ? SPQR_QTX : SPQR_QX;
    cholmod_common* cc = m_spqr.cholmodCommon();
    y_cd = viewAsCholmod(m_other.const_cast_derived());
    x_cd = SuiteSparseQR_qmult<Scalar>(method, m_spqr.m_H, m_spqr.m_HTau, m_spqr.m_HPinv, &y_cd, cc);
    res = Matrix<Scalar, ResType::RowsAtCompileTime, ResType::ColsAtCompileTime>::Map(
        reinterpret_cast<Scalar*>(x_cd->x), x_cd->nrow, x_cd->ncol);
    cholmod_l_free_dense(&x_cd, cc);
  }

References Eigen::SPQR_QProduct< SPQRType, Derived >::m_other, Eigen::SPQR_QProduct< SPQRType, Derived >::m_spqr, Eigen::SPQR_QProduct< SPQRType, Derived >::m_transpose, Eigen::PlainObjectBase< Matrix< Scalar_, Rows_, Cols_, Options_, MaxRows_, MaxCols_ > >::Map(), res, and Eigen::viewAsCholmod().

rows()

template<typename SPQRType , typename Derived >

Index Eigen::SPQR_QProduct< SPQRType, Derived >::rows ( ) const

inline

{ return m_transpose ? m_spqr.rows() : m_spqr.cols(); }

References Eigen::SPQR_QProduct< SPQRType, Derived >::m_spqr, and Eigen::SPQR_QProduct< SPQRType, Derived >::m_transpose.

Referenced by gdb.printers._MatrixEntryIterator::__next__(), gdb.printers.EigenMatrixPrinter::children(), gdb.printers.EigenSparseMatrixPrinter::children(), gdb.printers.EigenMatrixPrinter::to_string(), and gdb.printers.EigenSparseMatrixPrinter::to_string().

Member Data Documentation

m_other

template<typename SPQRType , typename Derived >

const Derived& Eigen::SPQR_QProduct< SPQRType, Derived >::m_other

Referenced by Eigen::SPQR_QProduct< SPQRType, Derived >::cols(), and Eigen::SPQR_QProduct< SPQRType, Derived >::evalTo().

m_spqr

template<typename SPQRType , typename Derived >

const SPQRType& Eigen::SPQR_QProduct< SPQRType, Derived >::m_spqr

Referenced by Eigen::SPQR_QProduct< SPQRType, Derived >::evalTo(), and Eigen::SPQR_QProduct< SPQRType, Derived >::rows().

m_transpose

template<typename SPQRType , typename Derived >

bool Eigen::SPQR_QProduct< SPQRType, Derived >::m_transpose

Referenced by Eigen::SPQR_QProduct< SPQRType, Derived >::evalTo(), and Eigen::SPQR_QProduct< SPQRType, Derived >::rows().

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The documentation for this struct was generated from the following file:

• SuiteSparseQRSupport.h